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Effects of Chromium and Carnitine Co-supplementation on Body Weight and Metabolic Profiles in Overweight and Obese Women with Polycystic Ovary Syndrome: a Randomized, Double-Blind, Placebo-Controlled Trial

  • Mehri Jamilian
  • Fatemeh Foroozanfard
  • Elham Kavossian
  • Mersedeh Kia
  • Esmat Aghadavod
  • Elaheh Amirani
  • Zatollah AsemiEmail author
Article

Abstract

The primary aim of our study was to determine the influence of taking chromium plus carnitine on insulin resistance, with a secondary objective of evaluating the influences on lipid profiles and weight loss in overweight subjects with polycystic ovary syndrome (PCOS). In a 12-week randomized, double-blind, placebo-controlled clinical trial, 54 overweight women were randomly assigned to receive either supplements (200 μg/day chromium picolinate plus 1000 mg/day carnitine) or placebo (27/each group). Chromium and carnitine co-supplementation decreased weight (− 3.6 ± 1.8 vs. − 1.0 ± 0.7 kg, P < 0.001), BMI (− 1.3 ± 0.7 vs. − 0.3 ± 0.3 kg/m2, P < 0.001), fasting plasma glucose (FPG) (− 5.1 ± 6.0 vs. − 1.1 ± 4.9 mg/dL, P = 0.01), insulin (− 2.0 ± 1.4 vs. − 0.2 ± 1.2 μIU/mL, P < 0.001), insulin resistance (− 0.5 ± 0.4 vs. − 0.04 ± 0.3, P < 0.001), triglycerides (− 18.0 ± 25.2 vs. + 5.5 ± 14.4 mg/dL, P < 0.001), total (− 17.0 ± 20.3 vs. + 3.6 ± 12.0 mg/dL, P < 0.001), and LDL cholesterol (− 13.3 ± 19.2 vs. + 1.4 ± 13.3 mg/dL, P = 0.002), and elevated insulin sensitivity (+ 0.007 ± 0.005 vs. + 0.002 ± 0.005, P < 0.001). In addition, co-supplementation upregulated peroxisome proliferator-activated receptor gamma (P = 0.02) and low-density lipoprotein receptor expression (P = 0.02). Overall, chromium and carnitine co-supplementation for 12 weeks to overweight women with PCOS had beneficial effects on body weight, glycemic control, lipid profiles except HDL cholesterol levels, and gene expression of PPAR-γ and LDLR. Clinical trial registration number: http://www.irct.ir: IRCT20170513033941N38.

Keywords

Carnitine Chromium Body weight Metabolic profiles Polycystic ovary syndrome 

Notes

Acknowledgments

The authors would like to thank the staff of Taleghani Clinic (Arak, Iran) for their assistance in this project.

Authors’ Contributions

ZA contributed in conception, design, statistical analysis, and drafting of the manuscript. MJ, FF, EK, EA, MK, EA, and AM contributed in data collection and manuscript drafting. All authors approved the final version for submission. ZA supervised the study.

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Traditional and Complementary Medicine Research CenterArak University of Medical SciencesArakIran
  2. 2.Gametogenesis Research CenterKashan University of Medical SciencesKashanIran
  3. 3.Department of Midwifery, Gorgan BranchIslamic Azad UniversityGorganIran
  4. 4.Research Center for Biochemistry and Nutrition in Metabolic DiseasesKashan University of Medical SciencesKashanIran

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